S35A (SS35A, Siera Super 35) tubes FC4, VP4A, 2D4

Siera; Belgien

  • Year
  • 1934
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 87649

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 104 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 105-115; 120-130; 140-160; 210-230; 240-260 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: S35A [tubes FC4, VP4A, 2D4] - Siera; Belgien
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 265 x 350 x 195 mm / 10.4 x 13.8 x 7.7 inch
  • Notes
  • 2 Band reception:
    • LW: 760 - 1900 m.
    • BC: 200 - 550 m.
    Tuning scale light bulb type: 8046 (6V, 500mA).
    Loudspeaker Philips type 4281. Connectors for second and for pick-up. 
    S35A has a varnished walnut and marquetry cabinet.
    There is also a model S35A with Philips tubes.
     
    The schematic and a Siera literature source mention output tube PH24M instead of PM24M.
  • Net weight (2.2 lb = 1 kg)
  • 7.7 kg / 16 lb 15.4 oz (16.96 lb)
  • Price in first year of sale
  • 1,795.00 BEF
  • Source of data
  • -- Original prospect or advert
  • Mentioned in
  • - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)

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